Schemas: Replace registry generation and github workflow (#83490)

* Create small registries for core and composable kinds

* Update workflow with new registries

* Fix imports in plugin schemas and deleted old registry generation files

* Remove verification and maturity

* Modify registries and add missing composable information to make schemas in kind-registry work

* Add missing aliases

* Remove unused templates

* Remove kinds verification

* Format generated code

* Add gen header

* Delete unused code and clean path in composable template

* Delete kind-registry loader

* Delete unused code

* Update License link

* Update codeowners path

* Sort imports

* More cleanup

* Remove verify-kinds.yml from codeowners

* Fix lint

* Update composable_kidns

* Fix cue extension

* Restore verify-kinds to avoid to push outdated kind's registry

* Fix composable format

* Restore code owners for verify-kinds

* Remove verify check

LICENSING.md

@@ -18,7 +18,7 @@ packaging/
 kinds/
 pkg/kinds/
 pkg/kindsys/
-pkg/registry/corekind/
+pkg/registry/schemas/
 grafana-mixin/
 public/app/plugins/datasource/tempo
 public/app/features/explore/TraceView/components